Kelly bars are key components of the construction drilling machines. The quality of the Kelly Bars directly affects the performance of the drilling machines. The friction kelly bar relies on its own weight to pressurize that are used for soft stratum, like soil, sand, fully-strongly weathered rock layers.etc;
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Specifications
Friction kelly bar:
2 to 6-part telescopic for depths of 15 – 140 m
Torque transfer from 120 – 500 kNm
6 drive keys with large lock recesses
Shock absorbing system by spring assembly
Standardized square kelly drive stub for all drilling tools
| Identification No. | Torque(ton.m) | O.D.(mm) | Sections | Drilling Depth(m) |
| FK 36/470/3/27-28 | 36 | 470 | 3 | 27-28 |
| FK 36/470/4/36-72 | 36 | 470 | 4 | 36-72 |
| FK 25/440/3/36 | 25 | 440 | 3 | 36 |
| FK25/440/4/50 | 25 | 440 | 4 | 50 |
| FK 25/440/5/65 | 25 | 440 | 5 | 65 |
| FK 28/394/3/24-48 | 28 | 394 | 3 | 24-48 |
| FK 28/394/4/32-65 | 28 | 394 | 4 | 32-65 |
| FK 18/377/3/36 | 18 | 377 | 3 | 36 |
| FK18/377/4/50 | 18 | 377 | 4 | 50 |
| FK 22/406/3/36 | 22 | 406 | 3 | 36 |
| FK 22/406/4/50 | 22 | 406 | 4 | 50 |
| FK 36/508/4/60 | 36 | 508 | 4 | 60 |
| FK 36/508/5/75 | 36 | 508 | 5 | 75 |
Warranty : One year or 2000 working hours
*Other size could be customized
Warranty
One year or 2000 working hours
Spare Parts
Kelly bar spring, Swivel
Packaging & Shipping
Package Options: Standard
Packaging & Shipping: Pallet with plastic film
Packaging & Shipping: Pallet with plastic film
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